Glaucoma, Unilateral: Treatment & Medication Â». While any type of glaucoma can be unilateral, primary open-angle glaucoma, primary angle-closure glaucoma, primary infantile glaucoma, juvenile-onset glaucoma, and pigmentary glaucoma are generally bilateral diseases, the severity of which may be asymmetric in the two eyes.
Describing Rock Textures. Your description of the rocks probably included their color and surface shape, plus characteristics such as size, shape, and arrangement of the grains or crystals in each rock.escribing Rock Textures. Your description of the rocks probably included their color and surface shape, plus characteristics such as size, shape, and arrangement of the grains or crystals in each rock.
The word texture has nothing to do with how the rock feels. Texture, in geology, is used to describe how the rock looks. The most noticeable textural feature of igneous rocks is grain size. Grain size refers to the size of the individual mineral crystals.ava vs. Magma: Lava erupting from Kilauea in Hawaii (left); Sketch of magma deep in the earth (right): USGS Images. Intrusive vs. Extrusive Igneous rocks can be classified into two main categories: intrusive and extrusive.